use crate::{
acknowledgement::{Acknowledgements, DeliveryTag},
auth::Credentials,
channel_closer::ChannelCloser,
channel_status::{ChannelState, ChannelStatus},
connection_closer::ConnectionCloser,
connection_status::{ConnectionState, ConnectionStep},
consumer::Consumer,
executor::Executor,
frames::{ExpectedReply, Frames},
id_sequence::IdSequence,
internal_rpc::InternalRPCHandle,
message::{BasicGetMessage, BasicReturnMessage, Delivery},
protocol::{self, AMQPClass, AMQPError, AMQPHardError},
publisher_confirm::PublisherConfirm,
queue::Queue,
queues::Queues,
returned_messages::ReturnedMessages,
socket_state::SocketStateHandle,
types::*,
BasicProperties, Configuration, ConfirmationPromise, Connection, ConnectionStatus, Error,
ExchangeKind, Promise, PromiseChain, PromiseResolver, Result,
};
use amq_protocol::frame::{AMQPContentHeader, AMQPFrame};
use log::{debug, error, info, log_enabled, trace, Level::Trace};
use parking_lot::Mutex;
use std::{convert::TryFrom, fmt, sync::Arc};
#[cfg(test)]
use crate::queue::QueueState;
#[derive(Clone)]
pub struct Channel {
id: u16,
configuration: Configuration,
status: ChannelStatus,
connection_status: ConnectionStatus,
acknowledgements: Acknowledgements,
delivery_tag: IdSequence<DeliveryTag>,
queues: Queues,
returned_messages: ReturnedMessages,
waker: SocketStateHandle,
internal_rpc: InternalRPCHandle,
frames: Frames,
executor: Arc<dyn Executor>,
_channel_closer: Option<Arc<ChannelCloser>>,
connection_closer: Option<Arc<ConnectionCloser>>,
}
impl fmt::Debug for Channel {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("Channel")
.field("id", &self.id)
.field("configuration", &self.configuration)
.field("status", &self.status)
.field("connection_status", &self.connection_status)
.field("acknowledgements", &self.acknowledgements)
.field("delivery_tag", &self.delivery_tag)
.field("queues", &self.queues)
.field("returned_messages", &self.returned_messages)
.field("frames", &self.frames)
.field("executor", &self.executor)
.finish()
}
}
impl Channel {
#[allow(clippy::too_many_arguments)]
pub(crate) fn new(
channel_id: u16,
configuration: Configuration,
connection_status: ConnectionStatus,
waker: SocketStateHandle,
internal_rpc: InternalRPCHandle,
frames: Frames,
executor: Arc<dyn Executor>,
connection_closer: Option<Arc<ConnectionCloser>>,
) -> Channel {
let returned_messages = ReturnedMessages::default();
let status = ChannelStatus::default();
let channel_closer = if channel_id == 0 {
None
} else {
Some(Arc::new(ChannelCloser::new(
channel_id,
status.clone(),
internal_rpc.clone(),
)))
};
Channel {
id: channel_id,
configuration,
status,
connection_status,
acknowledgements: Acknowledgements::new(returned_messages.clone()),
delivery_tag: IdSequence::new(false),
queues: Queues::default(),
returned_messages,
waker,
internal_rpc,
frames,
executor,
_channel_closer: channel_closer,
connection_closer,
}
}
pub fn status(&self) -> &ChannelStatus {
&self.status
}
fn set_closed(&self, error: Error) -> Result<()> {
self.set_state(ChannelState::Closed);
self.error_publisher_confirms(error.clone());
let res = self.cancel_consumers();
self.internal_rpc.remove_channel(self.id, error);
res
}
fn set_error(&self, error: Error) -> Result<()> {
self.set_state(ChannelState::Error);
self.error_publisher_confirms(error.clone());
let res = self.error_consumers(error.clone());
self.internal_rpc.remove_channel(self.id, error);
res
}
pub(crate) fn error_publisher_confirms(&self, error: Error) {
self.acknowledgements.on_channel_error(self.id, error);
}
pub(crate) fn cancel_consumers(&self) -> Result<()> {
self.queues.cancel_consumers()
}
pub(crate) fn error_consumers(&self, error: Error) -> Result<()> {
self.queues.error_consumers(error)
}
pub(crate) fn set_state(&self, state: ChannelState) {
self.status.set_state(state);
}
pub fn id(&self) -> u16 {
self.id
}
pub(crate) fn clone_internal(&self) -> Self {
Self {
id: self.id,
configuration: self.configuration.clone(),
status: self.status.clone(),
connection_status: self.connection_status.clone(),
acknowledgements: self.acknowledgements.clone(),
delivery_tag: self.delivery_tag.clone(),
queues: self.queues.clone(),
returned_messages: self.returned_messages.clone(),
waker: self.waker.clone(),
internal_rpc: self.internal_rpc.clone(),
frames: self.frames.clone(),
executor: self.executor.clone(),
_channel_closer: None,
connection_closer: self.connection_closer.clone(),
}
}
fn wake(&self) {
trace!("channel {} wake", self.id);
self.waker.wake()
}
fn assert_channel0(&self, class_id: u16, method_id: u16) -> Result<()> {
if self.id == 0 {
Ok(())
} else {
error!(
"Got a connection frame on channel {}, closing connection",
self.id
);
let error = AMQPError::new(
AMQPHardError::COMMANDINVALID.into(),
format!("connection frame received on channel {}", self.id).into(),
);
self.internal_rpc.close_connection(
error.get_id(),
error.get_message().to_string(),
class_id,
method_id,
);
Err(Error::ProtocolError(error))
}
}
pub fn close(&self, reply_code: ShortUInt, reply_text: &str) -> Promise<()> {
self.do_channel_close(reply_code, reply_text, 0, 0)
}
pub fn exchange_declare(
&self,
exchange: &str,
kind: ExchangeKind,
options: ExchangeDeclareOptions,
arguments: FieldTable,
) -> Promise<()> {
self.do_exchange_declare(exchange, kind.kind(), options, arguments)
}
pub fn wait_for_confirms(&self) -> ConfirmationPromise<Vec<BasicReturnMessage>> {
if let Some(promise) = self.acknowledgements.get_last_pending() {
trace!("Waiting for pending confirms");
let returned_messages = self.returned_messages.clone();
promise.traverse(move |_| Ok(returned_messages.drain()))
} else {
trace!("No confirms to wait for");
ConfirmationPromise::new_with_data(Ok(Vec::default()))
}
}
#[cfg(test)]
pub(crate) fn register_queue(&self, queue: QueueState) {
self.queues.register(queue);
}
pub(crate) fn send_method_frame(
&self,
method: AMQPClass,
resolver: PromiseResolver<()>,
expected_reply: Option<ExpectedReply>,
) {
self.send_frame(AMQPFrame::Method(self.id, method), resolver, expected_reply);
}
pub(crate) fn send_frame(
&self,
frame: AMQPFrame,
resolver: PromiseResolver<()>,
expected_reply: Option<ExpectedReply>,
) {
trace!("channel {} send_frame", self.id);
self.frames.push(self.id, frame, resolver, expected_reply);
self.wake();
}
fn send_method_frame_with_body(
&self,
method: AMQPClass,
payload: Vec<u8>,
properties: BasicProperties,
publisher_confirms_result: Option<PublisherConfirm>,
) -> Result<PromiseChain<PublisherConfirm>> {
let class_id = method.get_amqp_class_id();
let header = AMQPContentHeader {
class_id,
weight: 0,
body_size: payload.len() as u64,
properties,
};
let frame_max = self.configuration.frame_max();
let mut frames = vec![
AMQPFrame::Method(self.id, method),
AMQPFrame::Header(self.id, class_id, Box::new(header)),
];
frames.extend(
payload
.as_slice()
.chunks(frame_max as usize - 8)
.map(|chunk| AMQPFrame::Body(self.id, chunk.into())),
);
let data = Arc::new(Mutex::new((
publisher_confirms_result,
self.returned_messages.clone(),
)));
trace!("channel {} send_frames", self.id);
let promise = self.frames.push_frames(frames);
self.wake();
Ok(promise.traverse(move |res| {
res.map(|()| {
let mut data = data.lock();
data.0
.take()
.unwrap_or_else(|| PublisherConfirm::not_requested(data.1.clone()))
})
}))
}
fn handle_invalid_contents(&self, error: String, class_id: u16, method_id: u16) -> Result<()> {
error!("{}", error);
let error = AMQPError::new(AMQPHardError::UNEXPECTEDFRAME.into(), error.into());
self.internal_rpc.close_connection(
error.get_id(),
error.get_message().to_string(),
class_id,
method_id,
);
Err(Error::ProtocolError(error))
}
pub(crate) fn handle_content_header_frame(
&self,
class_id: u16,
size: u64,
properties: BasicProperties,
) -> Result<()> {
self.status.set_content_length(
self.id,
class_id,
size as usize,
|queue_name, request_id_or_consumer_tag| {
if let Some(queue_name) = queue_name {
self.queues.handle_content_header_frame(
queue_name.as_str(),
request_id_or_consumer_tag.clone(),
size,
properties,
)?;
} else {
self.returned_messages.set_delivery_properties(properties);
if size == 0 {
self.returned_messages
.new_delivery_complete(self.status.confirm());
}
}
Ok(())
},
|msg| {
error!("{}", msg);
let error = AMQPError::new(AMQPHardError::FRAMEERROR.into(), msg.into());
self.internal_rpc.close_connection(
error.get_id(),
error.get_message().to_string(),
class_id,
0,
);
self.set_error(Error::ProtocolError(error))
},
|msg| self.handle_invalid_contents(msg, class_id, 0),
)
}
pub(crate) fn handle_body_frame(&self, payload: Vec<u8>) -> Result<()> {
self.status.receive(
self.id,
payload.len(),
|queue_name, request_id_or_consumer_tag, remaining_size| {
if let Some(queue_name) = queue_name {
self.queues.handle_body_frame(
queue_name.as_str(),
request_id_or_consumer_tag.clone(),
remaining_size,
payload,
)?;
} else {
self.returned_messages.receive_delivery_content(payload);
if remaining_size == 0 {
self.returned_messages
.new_delivery_complete(self.status.confirm());
}
}
Ok(())
},
|msg| self.handle_invalid_contents(msg, 0, 0),
)
}
fn before_basic_publish(&self) -> Option<PublisherConfirm> {
if self.status.confirm() {
let delivery_tag = self.delivery_tag.next();
Some(
self.acknowledgements
.register_pending(delivery_tag, self.id),
)
} else {
None
}
}
fn acknowledgement_error(&self, error: AMQPError, class_id: u16, method_id: u16) -> Result<()> {
error!("Got a bad acknowledgement from server, closing channel");
self.internal_rpc
.register_internal_future(self.do_channel_close(
error.get_id(),
error.get_message().as_str(),
class_id,
method_id,
))?;
Err(Error::ProtocolError(error))
}
fn on_connection_start_ok_sent(
&self,
resolver: PromiseResolver<Connection>,
connection: Connection,
credentials: Credentials,
) -> Result<()> {
self.connection_status
.set_connection_step(ConnectionStep::StartOk(resolver, connection, credentials));
Ok(())
}
fn on_connection_open_sent(&self, resolver: PromiseResolver<Connection>) -> Result<()> {
self.connection_status
.set_connection_step(ConnectionStep::Open(resolver));
Ok(())
}
fn on_connection_close_sent(&self) -> Result<()> {
self.internal_rpc.set_connection_closing();
Ok(())
}
fn on_connection_close_ok_sent(&self, error: Error) -> Result<()> {
if let Error::ProtocolError(_) = error {
self.internal_rpc.set_connection_error(error);
} else {
self.internal_rpc.set_connection_closed(error);
}
Ok(())
}
fn before_channel_close(&self) {
self.set_state(ChannelState::Closing);
}
fn on_channel_close_ok_sent(&self, error: Error) -> Result<()> {
self.set_closed(error)
}
fn on_basic_recover_async_sent(&self) -> Result<()> {
self.queues.drop_prefetched_messages()
}
fn on_basic_ack_sent(&self, multiple: bool, delivery_tag: DeliveryTag) -> Result<()> {
if multiple && delivery_tag == 0 {
self.queues.drop_prefetched_messages()
} else {
Ok(())
}
}
fn on_basic_nack_sent(&self, multiple: bool, delivery_tag: DeliveryTag) -> Result<()> {
if multiple && delivery_tag == 0 {
self.queues.drop_prefetched_messages()
} else {
Ok(())
}
}
fn tune_connection_configuration(&self, channel_max: u16, frame_max: u32, heartbeat: u16) {
if self.configuration.heartbeat() == 0
|| (heartbeat != 0 && heartbeat < self.configuration.heartbeat())
{
self.configuration.set_heartbeat(heartbeat);
}
if channel_max != 0 {
if self.configuration.channel_max() == 0
|| channel_max < self.configuration.channel_max()
{
self.configuration.set_channel_max(channel_max);
}
}
if self.configuration.channel_max() == 0 {
self.configuration.set_channel_max(u16::max_value());
}
if frame_max != 0 {
if self.configuration.frame_max() == 0 || frame_max < self.configuration.frame_max() {
self.configuration.set_frame_max(frame_max);
}
}
if self.configuration.frame_max() == 0 {
self.configuration.set_frame_max(u32::max_value());
}
}
fn on_connection_start_received(&self, method: protocol::connection::Start) -> Result<()> {
trace!("Server sent connection::Start: {:?}", method);
let state = self.connection_status.state();
if let (
ConnectionState::Connecting,
Some(ConnectionStep::ProtocolHeader(
resolver,
connection,
credentials,
mechanism,
mut options,
)),
) = (state.clone(), self.connection_status.connection_step())
{
let mechanism_str = mechanism.to_string();
let locale = options.locale.clone();
if !method
.mechanisms
.split_whitespace()
.any(|m| m == mechanism_str)
{
error!("unsupported mechanism: {}", mechanism);
}
if !method.locales.split_whitespace().any(|l| l == locale) {
error!("unsupported locale: {}", mechanism);
}
if !options.client_properties.contains_key("product")
|| !options.client_properties.contains_key("version")
{
options.client_properties.insert(
"product".into(),
AMQPValue::LongString(env!("CARGO_PKG_NAME").into()),
);
options.client_properties.insert(
"version".into(),
AMQPValue::LongString(env!("CARGO_PKG_VERSION").into()),
);
}
options
.client_properties
.insert("platform".into(), AMQPValue::LongString("rust".into()));
let mut capabilities = FieldTable::default();
capabilities.insert("publisher_confirms".into(), true.into());
capabilities.insert("exchange_exchange_bindings".into(), true.into());
capabilities.insert("basic.nack".into(), true.into());
capabilities.insert("consumer_cancel_notify".into(), true.into());
capabilities.insert("connection.blocked".into(), true.into());
capabilities.insert("consumer_priorities".into(), true.into());
capabilities.insert("authentication_failure_close".into(), true.into());
capabilities.insert("per_consumer_qos".into(), true.into());
capabilities.insert("direct_reply_to".into(), true.into());
options
.client_properties
.insert("capabilities".into(), AMQPValue::FieldTable(capabilities));
self.internal_rpc
.register_internal_future(self.connection_start_ok(
options.client_properties,
&mechanism_str,
&credentials.sasl_auth_string(mechanism),
&locale,
resolver,
connection,
credentials,
))
} else {
error!("Invalid state: {:?}", state);
let error = Error::InvalidConnectionState(state);
self.internal_rpc.set_connection_error(error.clone());
Err(error)
}
}
fn on_connection_secure_received(&self, method: protocol::connection::Secure) -> Result<()> {
trace!("Server sent connection::Secure: {:?}", method);
let state = self.connection_status.state();
if let (ConnectionState::Connecting, Some(ConnectionStep::StartOk(.., credentials))) =
(state.clone(), self.connection_status.connection_step())
{
self.internal_rpc.register_internal_future(
self.connection_secure_ok(&credentials.rabbit_cr_demo_answer()),
)
} else {
error!("Invalid state: {:?}", state);
let error = Error::InvalidConnectionState(state);
self.internal_rpc.set_connection_error(error.clone());
Err(error)
}
}
fn on_connection_tune_received(&self, method: protocol::connection::Tune) -> Result<()> {
debug!("Server sent Connection::Tune: {:?}", method);
let state = self.connection_status.state();
if let (
ConnectionState::Connecting,
Some(ConnectionStep::StartOk(resolver, connection, _)),
) = (state.clone(), self.connection_status.connection_step())
{
self.tune_connection_configuration(
method.channel_max,
method.frame_max,
method.heartbeat,
);
self.internal_rpc
.register_internal_future(self.connection_tune_ok(
self.configuration.channel_max(),
self.configuration.frame_max(),
self.configuration.heartbeat(),
))?;
self.internal_rpc
.register_internal_future(self.connection_open(
&self.connection_status.vhost(),
connection,
resolver,
))
} else {
error!("Invalid state: {:?}", state);
let error = Error::InvalidConnectionState(state);
self.internal_rpc.set_connection_error(error.clone());
Err(error)
}
}
fn on_connection_open_ok_received(
&self,
_: protocol::connection::OpenOk,
connection: Connection,
) -> Result<()> {
let state = self.connection_status.state();
if let (ConnectionState::Connecting, Some(ConnectionStep::Open(resolver))) =
(state.clone(), self.connection_status.connection_step())
{
self.connection_status.set_state(ConnectionState::Connected);
resolver.swear(Ok(connection));
Ok(())
} else {
error!("Invalid state: {:?}", state);
let error = Error::InvalidConnectionState(state);
self.internal_rpc.set_connection_error(error.clone());
Err(error)
}
}
fn on_connection_close_received(&self, method: protocol::connection::Close) -> Result<()> {
let error = AMQPError::try_from(method.clone())
.map(|error| {
error!(
"Connection closed on channel {} by {}:{} => {:?} => {}",
self.id, method.class_id, method.method_id, error, method.reply_text
);
Error::ProtocolError(error)
})
.unwrap_or_else(|error| {
error!("{}", error);
info!("Connection closed on channel {}: {:?}", self.id, method);
Error::InvalidConnectionState(ConnectionState::Closed)
});
self.internal_rpc.set_connection_closing();
self.frames.drop_pending(error.clone());
if let Some(resolver) = self.connection_status.connection_resolver() {
resolver.swear(Err(error.clone()));
}
self.internal_rpc.send_connection_close_ok(error);
Ok(())
}
fn on_connection_blocked_received(&self, _method: protocol::connection::Blocked) -> Result<()> {
self.connection_status.block();
Ok(())
}
fn on_connection_unblocked_received(
&self,
_method: protocol::connection::Unblocked,
) -> Result<()> {
self.connection_status.unblock();
self.wake();
Ok(())
}
fn on_connection_close_ok_received(&self) -> Result<()> {
self.internal_rpc
.set_connection_closed(Error::InvalidConnectionState(ConnectionState::Closed));
Ok(())
}
fn on_channel_open_ok_received(
&self,
_method: protocol::channel::OpenOk,
resolver: PromiseResolver<Channel>,
channel: Channel,
) -> Result<()> {
self.set_state(ChannelState::Connected);
resolver.swear(Ok(channel));
Ok(())
}
fn on_channel_flow_received(&self, method: protocol::channel::Flow) -> Result<()> {
self.status.set_send_flow(method.active);
self.internal_rpc
.register_internal_future(self.channel_flow_ok(ChannelFlowOkOptions {
active: method.active,
}))
}
fn on_channel_flow_ok_received(
&self,
method: protocol::channel::FlowOk,
resolver: PromiseResolver<Boolean>,
) -> Result<()> {
resolver.swear(Ok(method.active));
Ok(())
}
fn on_channel_close_received(&self, method: protocol::channel::Close) -> Result<()> {
let error = AMQPError::try_from(method.clone())
.map(|error| {
error!(
"Channel closed on channel {} by {}:{} => {:?} => {}",
self.id, method.class_id, method.method_id, error, method.reply_text
);
Error::ProtocolError(error)
})
.unwrap_or_else(|error| {
error!("{}", error);
info!("Channel closed on channel {}: {:?}", self.id, method);
Error::InvalidChannelState(ChannelState::Closing)
});
self.set_state(ChannelState::Closing);
self.internal_rpc
.register_internal_future(self.channel_close_ok(error))
}
fn on_channel_close_ok_received(&self) -> Result<()> {
self.set_closed(Error::InvalidChannelState(ChannelState::Closed))
}
fn on_queue_delete_ok_received(
&self,
method: protocol::queue::DeleteOk,
resolver: PromiseResolver<LongUInt>,
queue: ShortString,
) -> Result<()> {
self.queues.deregister(queue.as_str());
resolver.swear(Ok(method.message_count));
Ok(())
}
fn on_queue_purge_ok_received(
&self,
method: protocol::queue::PurgeOk,
resolver: PromiseResolver<LongUInt>,
) -> Result<()> {
resolver.swear(Ok(method.message_count));
Ok(())
}
fn on_queue_declare_ok_received(
&self,
method: protocol::queue::DeclareOk,
resolver: PromiseResolver<Queue>,
) -> Result<()> {
let queue = Queue::new(method.queue, method.message_count, method.consumer_count);
self.queues.register(queue.clone().into());
resolver.swear(Ok(queue));
Ok(())
}
fn on_basic_get_ok_received(
&self,
method: protocol::basic::GetOk,
resolver: PromiseResolver<Option<BasicGetMessage>>,
queue: ShortString,
) -> Result<()> {
let class_id = method.get_amqp_class_id();
self.queues.start_basic_get_delivery(
queue.as_str(),
BasicGetMessage::new(
method.delivery_tag,
method.exchange,
method.routing_key,
method.redelivered,
method.message_count,
),
resolver,
);
self.status.set_will_receive(class_id, Some(queue), None);
Ok(())
}
fn on_basic_get_empty_received(&self, method: protocol::basic::GetEmpty) -> Result<()> {
match self.frames.next_expected_reply(self.id) {
Some(Reply::BasicGetOk(resolver, _)) => {
resolver.swear(Ok(None));
Ok(())
}
_ => self.handle_invalid_contents(
format!("unexpected basic get empty received on channel {}", self.id),
method.get_amqp_class_id(),
method.get_amqp_method_id(),
),
}
}
fn on_basic_consume_ok_received(
&self,
method: protocol::basic::ConsumeOk,
resolver: PromiseResolver<Consumer>,
queue: ShortString,
) -> Result<()> {
let consumer = Consumer::new(method.consumer_tag.clone(), self.executor.clone());
self.queues
.register_consumer(queue.as_str(), method.consumer_tag, consumer.clone());
resolver.swear(Ok(consumer));
Ok(())
}
fn on_basic_deliver_received(&self, method: protocol::basic::Deliver) -> Result<()> {
let class_id = method.get_amqp_class_id();
if let Some(queue_name) = self.queues.start_consumer_delivery(
method.consumer_tag.as_str(),
Delivery::new(
method.delivery_tag,
method.exchange,
method.routing_key,
method.redelivered,
),
) {
self.status
.set_will_receive(class_id, Some(queue_name), Some(method.consumer_tag));
}
Ok(())
}
fn on_basic_cancel_received(&self, method: protocol::basic::Cancel) -> Result<()> {
self.queues
.deregister_consumer(method.consumer_tag.as_str())
.and(if !method.nowait {
self.internal_rpc
.register_internal_future(self.basic_cancel_ok(method.consumer_tag.as_str()))
} else {
Ok(())
})
}
fn on_basic_cancel_ok_received(&self, method: protocol::basic::CancelOk) -> Result<()> {
self.queues
.deregister_consumer(method.consumer_tag.as_str())
}
fn on_basic_ack_received(&self, method: protocol::basic::Ack) -> Result<()> {
if self.status.confirm() {
if method.multiple {
if method.delivery_tag > 0 {
self.acknowledgements
.ack_all_before(method.delivery_tag, self.id)
.or_else(|err| {
self.acknowledgement_error(
err,
method.get_amqp_class_id(),
method.get_amqp_method_id(),
)
})?;
} else {
self.acknowledgements.ack_all_pending();
}
} else {
self.acknowledgements
.ack(method.delivery_tag, self.id)
.or_else(|err| {
self.acknowledgement_error(
err,
method.get_amqp_class_id(),
method.get_amqp_method_id(),
)
})?;
}
}
Ok(())
}
fn on_basic_nack_received(&self, method: protocol::basic::Nack) -> Result<()> {
if self.status.confirm() {
if method.multiple {
if method.delivery_tag > 0 {
self.acknowledgements
.nack_all_before(method.delivery_tag, self.id)
.or_else(|err| {
self.acknowledgement_error(
err,
method.get_amqp_class_id(),
method.get_amqp_method_id(),
)
})?;
} else {
self.acknowledgements.nack_all_pending();
}
} else {
self.acknowledgements
.nack(method.delivery_tag, self.id)
.or_else(|err| {
self.acknowledgement_error(
err,
method.get_amqp_class_id(),
method.get_amqp_method_id(),
)
})?;
}
}
Ok(())
}
fn on_basic_return_received(&self, method: protocol::basic::Return) -> Result<()> {
let class_id = method.get_amqp_class_id();
self.returned_messages
.start_new_delivery(BasicReturnMessage::new(
method.exchange,
method.routing_key,
method.reply_code,
method.reply_text,
));
self.status.set_will_receive(class_id, None, None);
Ok(())
}
fn on_basic_recover_ok_received(&self) -> Result<()> {
self.queues.drop_prefetched_messages()
}
fn on_confirm_select_ok_received(&self) -> Result<()> {
self.status.set_confirm();
Ok(())
}
fn on_access_request_ok_received(&self, _: protocol::access::RequestOk) -> Result<()> {
Ok(())
}
}
include!(concat!(env!("OUT_DIR"), "/channel.rs"));